Flat motor
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United States of America Patent
Stats
-
Jul 28, 2015
Grant Date -
May 23, 2013
app pub date -
Jun 10, 2011
filing date -
Aug 4, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A flat motor has a standard cylindrical bearing and the structure for fastening the bearing by sufficient strength. The flat motor has a rotor frame that is rotatably supported by a bearing through which the shaft passes, and the frame has: flat portion which is formed by a flat plate and which has central hole; outer cylindrical portion which is formed in a cylindrical shape on the side of central hole of flat portion by bending the flat plate and lengthening in an axial direction of the shaft; and inner cylindrical portion to which bearing is fastened, and which is formed in a cylindrical shape on the inner circumstance side of outer cylindrical portion by bending the flat plate at the end opposite to the end of flat portion on the inside of rotor frame and lengthening in a direction contrary to the direction in which outer cylindrical portion lengthens.
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